package sword.T32;

import util.ListUtil;
import util.TreeNode;
import util.TreeUtil;

/**
 * @Author: 18362
 * @Create: 2022-04-10 21:29:42 星期日
 */
public class E32_2 {
    public static void main(String[] args) {
        TreeNode root = TreeUtil.deserialize("[3,9,20,null,null,15,7]");
        ListUtil.printIntListList(new Solution2().levelOrder(root));
    }
}
